1. A. Guterres, available at https://www.un.org/sg/en/content/sg/articles/2020-12-11/carbon-neutrality-2050-the-worlds-most-urgent-mission.
2. Economic comparison of different electric fuels for energy scenarios in 2035;Runge;Appl. Energy,2019
3. Wasserstoffmotoren für zukünftige Pkw und leichte Nutzfahrzeuge;Seboldt;MTZ,2021
4. Increased efficiency in SI engine with air replaced by oxygen in argon mixture;Killingsworth;Proc. Combust. Inst.,2011
5. Thermodynamic analysis on factors influencing the thermal conversion efficiency of the argon power cycle engine;Jin;Trans. CSICE,2020